the article states he had a number of other businesses.
"Their earliest success was a direct-mail firm called Credit Key Express, which promised credit cards to people with bad credit. Later they started Columbia House-style online membership clubs that sold discounted movie posters, books, DVDs, even dietary supplements. Xacti, which came to enfold most of their ventures, sold banner ads, video games and various other kinds of software, including “toolbars” that promised to clean viruses off your computer or free up space on your hard drive."
all the money wasn't made from malware, it just created a slush fund for other profitable(albeit questionable) businesses to be started.
"Their earliest success was a direct-mail firm called Credit Key Express, which promised credit cards to people with bad credit. Later they started Columbia House-style online membership clubs that sold discounted movie posters, books, DVDs, even dietary supplements. Xacti, which came to enfold most of their ventures, sold banner ads, video games and various other kinds of software, including “toolbars” that promised to clean viruses off your computer or free up space on your hard drive."
all the money wasn't made from malware, it just created a slush fund for other profitable(albeit questionable) businesses to be started.